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Approaching White-Light Emission from a Phosphorescent Trinuclear Gold(I) Cluster by Modulating Its Aggregation Behavior

Authors

  • Dr. Wen-Xiu Ni,

    1. Department of Chemistry and Research Institute for Biomedical and Advanced Materials, Shantou University, Guangdong 515063 (P. R. China)
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  • Mian Li,

    1. Department of Chemistry and Research Institute for Biomedical and Advanced Materials, Shantou University, Guangdong 515063 (P. R. China)
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  • Ji Zheng,

    1. Department of Chemistry and Research Institute for Biomedical and Advanced Materials, Shantou University, Guangdong 515063 (P. R. China)
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  • Dr. Shun-Ze Zhan,

    1. Department of Chemistry and Research Institute for Biomedical and Advanced Materials, Shantou University, Guangdong 515063 (P. R. China)
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  • Yu-Min Qiu,

    1. Department of Chemistry and Research Institute for Biomedical and Advanced Materials, Shantou University, Guangdong 515063 (P. R. China)
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  • Prof. Dr. Seik Weng Ng,

    1. Department of Chemistry, University of Malaya, 50603 Kuala Lumpur (Malaysia)
    2. Chemistry Department, Faculty of Science, King Abdulaziz University, PO Box 80203 Jeddah (Saudi Arabia)
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  • Prof. Dr. Dan Li

    Corresponding author
    1. Department of Chemistry and Research Institute for Biomedical and Advanced Materials, Shantou University, Guangdong 515063 (P. R. China)
    • Department of Chemistry and Research Institute for Biomedical and Advanced Materials, Shantou University, Guangdong 515063 (P. R. China)===

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  • The work was supported by 973 Program (Nos. 2013CB834803 and 2012CB821706), the National Natural Science Foundation for Distinguished Young Scholars of China (No. 20825102), and the National Natural Science Foundation of China (Nos. 21171114 and 91222202). W.-X.N. thanks the funding of China Postdoctoral Science Foundation (No. 2012M521622) and Guangdong Natural Science Foundation (No. S2012040006968). S.W.N. thanks the funding of the Ministry of Higher Education of Malaysia (Grant No. UM.C/HIR-MOHE/SC/03). We thank Prof. Tai-Chu Lau of the City University of Hong Kong for help on physical measurements.

Abstract

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White light: [{Au(L)}3] (L=3-(2-thienyl)pyrazolate) gives dual emission, one from an organic chromophore the other from aurophilic stacking interactions. The resulting blue–green and orange–red emissions can be tuned to approach white-light by modulating the aggregation behavior of the cluster.

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